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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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package jdk.jfr.events;

import jdk.internal.misc.VM.BufferPool;
import jdk.internal.misc.VM;
import jdk.jfr.*;

@Category({ "Java Application", "Statistics" })
abstract class AbstractBufferStatisticsEvent extends AbstractPeriodicEvent {

    protected AbstractBufferStatisticsEvent(BufferPool bufferPool) {
        count = bufferPool.getCount();
        totalCapacity = bufferPool.getTotalCapacity();
        memoryUsed = bufferPool.getMemoryUsed();
    }

    @Label("Count")
    final long count;

    @Label("Total Capacity")
    @DataAmount
    final long totalCapacity;

    @Label("Memory Used")
    @DataAmount
    final long memoryUsed;

    static BufferPool findPoolByName(String name) {
        for (BufferPool pool : VM.getBufferPools()) {
            if (pool.getName().equals(name)) {
                return pool;
            }
        }
        throw new InternalError("No buffer pool with name " + name);
    }
}
